According to a previous survey by organised by our local metropolitan conservation body, 13 species of toads/frogs have been recorded around the East Rand.
Here are some of the species I have had the fortune to photograph:
African Bullfrog (Pyxicephalus adspersus)
African Bullfrog 
African Bullfrog 
African Bullfrog 
African Bullfrog – Juvenile
Guttural Toad (Sclerophrys gutturalis)
Guttural Toad – Juvenile 
Guttural Toad 
Guttural Toad
Red Toad (Schismaderma carens)
Common River Frog (Amieta quecketti)
Common River Frog
Bubbling Kassina (Kassina senegalensis)
Bubbling Kassina 
Bubbling Kassina
Boettger’s Caco (Cacosternum boettgeri)
Boettger’s Caco 
Boettger’s Caco 
Boettger’s Caco 
Boettger’s Caco 
Boettger’s Caco